Home / 112,850.80-169,349.60-48,871.43

Finding the Fourth Proportional to 112,850.80, 169,349.60 and 48,871.43

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Solution

The fourth proportional to 112,850.80, 169,349.60 and 48,871.43 is: 73,338.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,850.80 : 169,349.60 = 48,871.43 : x
  2. Step 2: Convert to fraction form
    112,850.80/169,349.60 = 48,871.43/x
  3. Step 3: Cross multiply
    112,850.80x = 169,349.60 × 48,871.43
  4. Step 4: Simplify right side
    112,850.80x = 8,276,357,121.93
  5. Step 5: Solve for x
    x = 8,276,357,121.93/112,850.80
  6. Step 6: Final answer
    x = 73,338.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.